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Wyświetlanie 1-10 z 34
Tytuł:
Tabu Search for target-radar assignment
Autorzy:
Hindsberger, M.
Vidal, R.
Powiązania:
https://bibliotekanauki.pl/articles/205568.pdf
Data publikacji:
2000
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
assignment
combinatorial optimization
metaheuristics
tabu search
Opis:
In this paper the problem of assigning air-defense illumination radars to enemy targets is presented. A Tabu Search metaheuristic solution is described and the results achieved are compared to those of other heuristic approaches. Implementation and experimental aspects are discussed. It is argued that Tabu Search could be used in near realtime decision making systems.
Źródło:
Control and Cybernetics; 2000, 29, 3; 701-724
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Tabu search - a guided tour
Autorzy:
Hindsberger, M.
Vidal, R.
Powiązania:
https://bibliotekanauki.pl/articles/205563.pdf
Data publikacji:
2000
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
combinatorial optimization
local search
metaheuristics
tabu search
Opis:
The main purpose of this paper is to provide an overview of the ideas behind Tabu Search - one of the most popular metaheuristic appoaches. For the sake of concreteness a simple example of the traveling salesman problem will be used in the discussion to illustrate the process of designing a Tabu Search algorithm. In addition, some extensions will be presented. Finally, applications will also be provided as well as references to more specialized publications.
Źródło:
Control and Cybernetics; 2000, 29, 3; 631-651
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Experiments concerning hashing in the multiobjective tabu search method TAMOCO
Autorzy:
Hansen, M.
Powiązania:
https://bibliotekanauki.pl/articles/206866.pdf
Data publikacji:
2000
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
hashing
multiobjective combinatorial optimization (MOCO)
tabu search
Opis:
This paper examines the use of hashing in the multiobjective tabu search, TAMOCO. The hasliing method was suggested by Woodruff and Zemel (1993) as a method of avoiding return to the already examined solutions in the standard single-objective tabu search. While the traditional tabu list is capable of insuring this, it can normally only be used for cycles of a moderate length. The hashing method, however, can efficiently avoid cycles over a much larger number of iterations and must be considered a natural component in the tabu search tool-box. We report from two experiments on practical models where the hashing component has been included into the TAMOCO-procedure ; with two different outcomes.
Źródło:
Control and Cybernetics; 2000, 29, 3; 789-798
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Predictive Maintenance Sensors Placement by Combinatorial Optimization
Autorzy:
Borissova, D. I.
Mustakerov, I. C.
Doukovska, L. A.
Powiązania:
https://bibliotekanauki.pl/articles/227278.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
predictive maintenance
optimal sensors placement
combinatorial optimization
Opis:
The strategy of predictive maintenance monitoring is important for successful system damage detection. Maintenance monitoring utilizes dynamic response information to identify the possibility of damage. The basic factors of faults detection analysis are related to properties of the structure under inspection, collect the signals and appropriate signals processing. In vibration control, structures response sensing is limited by the number of sensors or the number of input channels of the data acquisition system. An essential problem in predictive maintenance monitoring is the optimal sensor placement. The paper addresses that problem by using mixed integer linear programming tasks solving. The proposed optimal sensors location approach is based on the difference between sensor information if sensor is present and information calculated by linear interpolation if sensor is not present. The tasks results define the optimal sensors locations for a given number of sensors. The results of chosen sensors locations give as close as possible repeating the curve of structure dynamic response function. The proposed approach is implemented in an algorithm for predictive maintenance and the numerical results indicate that together with intelligent signal processing it could be suitable for practical application.
Źródło:
International Journal of Electronics and Telecommunications; 2012, 58, 2; 153-158
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Tabu search for multiobjective combinatorial optimization : TAMOCO
Autorzy:
Hansen, M.
Powiązania:
https://bibliotekanauki.pl/articles/205565.pdf
Data publikacji:
2000
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
polioptymalizacja kombinatoryczna
metaheuristics
multiobjective combinatorial optimization (MOCO)
tabu search
Opis:
This paper presents the multiobjective tabu search method, TAMOCO. Being an adaptation of the well-known tabu search, it can be used to generate approximations to the non-dominated solutions of multiobjective combinatorial optimization problems. TAMOCO works with a set of current solutions which, through manipulation of weights, are optimized towards the non-dominated frontier while at the same time seek to disperse over the frontier. The general procedure and some extensions to it are presented, as well as suggestions of usage in interactive procedures. A computational experiment is also presented.
Źródło:
Control and Cybernetics; 2000, 29, 3; 799-818
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On necessary and sufficient conditions for stability and quasistability in combinatorial multicriteria optimization
Autorzy:
Kuzmin, K. G.
Nikulin, Y. V.
Makela, M. M.
Powiązania:
https://bibliotekanauki.pl/articles/206093.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
sensitivity analysis
multiple criteria
combinatorial optimization
Pareto set
stability conditions
Opis:
We consider a multiple objective combinatorial optimization problem with an arbitrary vector-criterion. The necessary and sufficient conditions for stability and quasistability are obtained for large classes of problems with partial criteria possessing certain properties of regularity.
Źródło:
Control and Cybernetics; 2017, 46, 4; 361-382
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Solving a permutation problem by a fully polynomial-time approximation scheme
Autorzy:
Gawiejnowicz, Stanisław
Kurc, Wiesław
Pankowska, Lidia
Powiązania:
https://bibliotekanauki.pl/articles/729290.pdf
Data publikacji:
2010
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
combinatorial optimization
discrete control theory
fully polynomial-time approximation scheme
Opis:
For a problem of optimal discrete control with a discrete control set composed of vertices of an n-dimensional permutohedron, a fully polynomial-time approximation scheme is proposed.
Źródło:
Discussiones Mathematicae, Differential Inclusions, Control and Optimization; 2010, 30, 2; 191-203
1509-9407
Pojawia się w:
Discussiones Mathematicae, Differential Inclusions, Control and Optimization
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Qualitative stability analysis of multicriteria combinatorial minimin problems
Autorzy:
Emelichev, V. A.
Karelkina, O. V.
Kuzmin, K. G.
Powiązania:
https://bibliotekanauki.pl/articles/206273.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
combinatorial optimization
Pareto set
lexicographic set
stability analysis
stability types
Opis:
A multicriteria combinatorial problem with minimin partial criteria is considered. Necessary and sufficient conditions for the five known stability types of the problem are obtained. These stability types describe in different ways the behavior of the Pareto and lexicographic sets of the problem under initial data perturba- tions of the vector criteria.
Źródło:
Control and Cybernetics; 2012, 41, 1; 57-79
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
New evaluations of ant colony optimization start nodes
Autorzy:
Fidanova, S.
Marinov, P.
Atanassov, K.
Powiązania:
https://bibliotekanauki.pl/articles/206546.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
combinatorial optimization
ant algorithms
start nodes evaluation
semi random start
Opis:
Ant Colony Optimization (ACO) is a stochastic search method that mimics the social behavior of real ant colonies, managing to establish the shortest route to the feeding sources and back. Such algorithms have been developed to arrive at near-optimal solutions to large-scale optimization problems, for which traditional mathematical techniques may fail. In this paper, the semi-random start procedure is applied. A new kind of evaluation of start nodes of the ants is developed and several starting strategies are prepared and combined. The idea of semi-random start is related to a better management of the ants. This new technique is tested on the Multiple Knapsack Problem (MKP). A Comparison among the strategies applied is presented in terms of quality of the results. A comparison is also carried out between the new evaluation and the existing one. Based on this comparative analysis, the performance of the algorithm is discussed. The study presents the idea that should be beneficial to both practitioners and researchers involved in solving optimization problems.
Źródło:
Control and Cybernetics; 2014, 43, 3; 471-485
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On the robustness of optimal solutions for combinatorial optimization problems
Autorzy:
Libura, M.
Powiązania:
https://bibliotekanauki.pl/articles/969645.pdf
Data publikacji:
2009
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
robustness analysis
sensitivity analysis
combinatorial optimization
accuracy function
robustness radius
Opis:
We consider the so-called generic combinatorial optimization problem, where the set of feasible solutions is some family of subsets of a finite ground set with specified positive initial weights of elements, and the objective function represents the total weight of elements of a feasible solution. We assume that the weights of all elements may be perturbed simultaneously and independently up to a given percentage of their initial values. A feasible solution which minimizes the worst-case relative regret, is called a robust solution. The maximum percentage level of perturbations, for which an initially optimal solution remains robust, is called the robustness radius of this solution. In this paper we study the robustness aspect of initially optimal solutions and provide lower bounds for their robustness radii.
Źródło:
Control and Cybernetics; 2009, 38, 3; 671-685
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-10 z 34

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